3dLME controlling for age

Hello,

I am running some data through 3dLME and am having issues controlling for Age. I have subjects who are MCI or healthy (cond) and who are tested before and after an intervention (time) and I would like to control for age (between-subject covariate).

I currently have the following but want to confirm whether I am in fact correctly controlling for age.

#!/bin/sh

mkdir Results_Cogstatus_norm/ResultsMD_90_CSF_filt_age
cd Results_Cogstatus_norm/ResultsMD_90_CSF_filt_age
#Group A = MCI | Group B = HC
3dLME -prefix CogStatus_normMD_age -jobs 6
-model ‘GroupTime+age’ -ranEff ‘~1’ -SS_type 3
-num_glt 4
-qVars ‘age’
-gltLabel 1 ‘APost-APre’ -gltCode 1 'Group : 1
A Time : 1Post -1Pre’
-gltLabel 2 ‘BPost-BPre’ -gltCode 2 ‘Group : 1B Time : 1Post -1Pre’
-gltLabel 3 ‘APre-BPre’ -gltCode 3 'Group : 1
A -1B Time : 1Pre’
-gltLabel 4 ‘APost-BPost’ -gltCode 4 ‘Group : 1A -1B Time : 1*Post’
-mask /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/PVE_final_mask_TC_90.nii.gz
-resid q_90.nii.gz
-dataTable
Subj Group Time age InputFile
MCIP0001 A Post 83 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0001.Post.MD.nii.gz
MCIP0001 A Pre 83 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0001.Pre.MD.nii.gz
MCIP0002 B Post 84 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0002.Post.MD.nii.gz
MCIP0002 B Pre 84 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0002.Pre.MD.nii.gz
MCIP0003 B Post 81 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0003.Post.MD.nii.gz
MCIP0003 B Pre 81 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0003.Pre.MD.nii.gz
MCIP0004 B Post 85 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0004.Post.MD.nii.gz
MCIP0004 B Pre 85 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0004.Pre.MD.nii.gz
MCIP0006 A Post 79 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0006.Post.MD.nii.gz
MCIP0006 A Pre 79 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0006.Pre.MD.nii.gz
MCIP0007 A Post 77 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0007.Post.MD.nii.gz
MCIP0007 A Pre 77 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0007.Pre.MD.nii.gz
MCIP0008 A Post 86 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0008.Post.MD.nii.gz
MCIP0008 A Pre 86 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0008.Pre.MD.nii.gz
MCIP0009 A Post 71 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0009.Post.MD.nii.gz
MCIP0009 A Pre 71 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0009.Pre.MD.nii.gz
MCIP0010 A Post 78 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0010.Post.MD.nii.gz
MCIP0010 A Pre 78 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0010.Pre.MD.nii.gz
MCIP0011 A Post 88 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0011.Post.MD.nii.gz
MCIP0011 A Pre 88 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0011.Pre.MD.nii.gz
MCIP0012 B Post 80 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0012.Post.MD.nii.gz
MCIP0012 B Pre 80 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0012.Pre.MD.nii.gz
MCIP0017 A Post 88 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0017.Post.MD.nii.gz
MCIP0017 A Pre 88 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0017.Pre.MD.nii.gz
MCIP0019 A Post 82 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0019.Post.MD.nii.gz
MCIP0019 A Pre 82 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0019.Pre.MD.nii.gz
MCIP0023 A Post 79 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0023.Post.MD.nii.gz
MCIP0023 A Pre 79 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0023.Pre.MD.nii.gz
MCIP0024 A Post 74 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0024.Post.MD.nii.gz
MCIP0024 A Pre 74 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0024.Pre.MD.nii.gz
MCIP0026 A Post 88 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0026.Post.MD.nii.gz
MCIP0026 A Pre 88 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0026.Pre.MD.nii.gz
MCIP0027 B Post 87 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0027.Post.MD.nii.gz
MCIP0027 B Pre 87 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0027.Pre.MD.nii.gz
MCIP0028 B Post 70 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0028.Post.MD.nii.gz
MCIP0028 B Pre 70 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0028.Pre.MD.nii.gz
MCIP0030 B Post 84 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0030.Post.MD.nii.gz
MCIP0030 B Pre 84 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0030.Pre.MD.nii.gz
MCIP0031 B Post 77 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0031.Post.MD.nii.gz
MCIP0031 B Pre 77 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0031.Pre.MD.nii.gz
MCIP0032 B Post 78 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0032.Post.MD.nii.gz
MCIP0032 B Pre 78 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0032.Pre.MD.nii.gz
MCIP0033 B Post 73 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0033.Post.MD.nii.gz
MCIP0033 B Pre 73 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0033.Pre.MD.nii.gz
MCIP0035 B Post 83 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0035.Post.MD.nii.gz
MCIP0035 B Pre 83 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0035.Pre.MD.nii.gz
MCIP0036 A Post 86 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0036.Post.MD.nii.gz
MCIP0036 A Pre 86 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0036.Pre.MD.nii.gz
MCIP0041 A Post 73 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0041.Post.MD.nii.gz
MCIP0041 A Pre 73 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0041.Pre.MD.nii.gz
MCIP0048 A Post 76 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0048.Post.MD.nii.gz
MCIP0048 A Pre 76 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0048.Pre.MD.nii.gz
MCIP0052 B Post 61 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0052.Post.MD.nii.gz
MCIP0052 B Pre 61 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0052.Pre.MD.nii.gz
MCIP0053 B Post 68 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0053.Post.MD.nii.gz
MCIP0053 B Pre 68 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0053.Pre.MD.nii.gz
MCIP0054 B Post 75 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0054.Post.MD.nii.gz
MCIP0054 B Pre 75 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0054.Pre.MD.nii.gz
MCIP0055 B Post 71 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0055.Post.MD.nii.gz
MCIP0055 B Pre 71 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0055.Pre.MD.nii.gz
MCIP0058 B Post 75 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0058.Post.MD.nii.gz
MCIP0058 B Pre 75 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0058.Pre.MD.nii.gz
MCIP0061 B Post 69 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0061.Post.MD.nii.gz
MCIP0061 B Pre 69 /Volumes/DANIEL/MCIP_mrtrix/VBA/stats/filter/MCIP0061.Pre.MD.nii.gz

Any advice you can provide is greatly appreciated!

If you want to control the two groups at a same center age, the specification looks fine. If you don’t have any missing data, use 3dMVM.

Gang,

Thank you for the response and clarification.

Daniel